Yaritza is going to see a movie and is taking her 4 kids. Each movie ticket costs $13 and there are an assortment of snacks available to purchase for $4.50 each. How much total money would Yaritza have to pay for her family if she were to buy 7 snacks for everybody to share? How much would Yaritza have to pay if she bought xx snacks for everybody to share?

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244